A half-hour-long ‘playdate’ between a toddler and an adult could help answer a long-standing question about the social deficits that accompany autism.

Adults with autism, particularly women, deliberately hurt themselves much more often than other adults do.

A woman claims that a genetic test failed to flag her son’s deadly condition, a researcher wins a rare appeal of a rejected grant application, and a graduate student’s gadget could help people with autism to read emotions.

Helping children with autism cope with the unexpected may ease some of their symptoms.

An unprecedented look at the activity of 223 individual neurons in the amygdala calls into question the longstanding idea that the region recognizes eye contact.